Philips L04E - Block Diagram Audio

Block Diagrams, Testpoint Overviews, and Waveforms
23L04E AB 6.
Block Diagram Audio
E_14970_029.eps
070904
HERCULES
A4
A3
REAR I/O SCART
A8
SIDE AV
D
ANTI D/P PLOP
(part)
B3
AUDIO AMPLIFIER
A7
7200-A (IF)
I002
I001
F002
F952
F955
I951
I952
F004
SDA
SCL
50019003
FM-RADIO
TUNER
+
TV TUNER
3001
3000
6001
BZX79-C33
TUNER IF
A4
A4
A2
1000 6, 7 9
1
2
11
SSIF
VIF_1
VIF_2
SIF1
SIF2
RF
+5VS
VT_SUPPLY
VT
AGC
5
SEL-LLPIM
A4
VOL_MUTE
A4
A4
A10
4
IF
FM
10
7001
7003
FILTER
SELECTION
1002
1003
1004
ERR
10
TV
FM
9002
+5V
24
25
31
29
30
PLL
PLL
FM/QSS
AM
VCO
VIDEO
DEMOD
TUNER IF
AGC
FM
DEM.
AMPLI
+
MUTE
LS
OUTPUT
AUDIO
SOURCE
SELECTION
DIGITAL
SOUND
PROCESSING
VIDEO
IF
PHASE
DISC
AUDIO IF
QSS/AM
SEE
BLOCK DIAGRAM
IBO-ZAPPER
PA NE L
SOUND
MIXER
AM
SOUND
DET.
A8
REAR I/O SCART
SC1_L_IN
SC1_R_IN
SC2_L_IN
INTF_R_IN 75
96
93
92
INTF_L_IN 76
SC2_R_IN 72
SC2_L_IN 73
SIDE_R_IN 79
SIDE_L_IN 80
SC1_R_IN 94
SC1_L_IN
INTF_R_IN
95
SC2_R_IN
L
AUDIO
CONTROL
To VIDEO PART
see block diagram
VIDEO
D
SIDE AV
A5
CONNECTIVITIES
SIDE_L_IN
SIDE_R_IN
1207
3
1
1252
3
1
R
12781254
1
2
5
2
FM/QSS
SSIF
AM
7200-F (AUDIO)
ADC DAC
DIGITAL PART
DIGITAL
STEREO
SOUND
DECODER
MUTING
CIRCUIT
AUDIO
SELECT
67
66
69
68
SCART
CINCH
OUTPUT
AUDIO
SELECT
MONITOR
OUT
L
R
MUTING
7703 7702
5
4
2
1
7705
L 8 Ohm/15W
R 8 Ohm/15W
1281
7990
TDA2616Q
7706 : 7709
5
2
L 8 Ohm/15W
R 8 Ohm/15W
1280
1
2
OR
4
7
6
1
9
5
V AUDIO+1
-V AUDIO
2
7991
VOLUME
+
MUTE
MAIN_OUTL
MAIN_OUTR
HP
OUTPUT
1693
3
4
5
1010
2
F692
OR
ERR
19
FRONT INTERFACE
(PARTLY)
J1
FRONT CONTROL
A9
TOP CONTROL
E
6692
TSOP1836
6693
+3.3V
6691
ON/OFF
USA only
6
LOCAL
KEYBOARD
LOCAL
KEYBOARD
+
1693
3
4
5
6
OR
ON/OFF
(USA only)
IR
LED
KEYBOARD
LIGHT_SENSOR
6692
TSOP1836
+3.3V
6691
IR1
6693
LED
KEYBOARD
LIGHT_SENSOR
IR
LED
KEYBOARD
LIGHT_SENSOR
MAIN_OUTR
MAIN_OUTL
SC1_R_OUT
SC1_L_OUT
SC2_R_OUT
SC2_L_OUT
1228
1
2
3
SUBWOOFER
(optional)
SPDIF
(optional)
3764 3761
7991
7992
SCART 1
SCART 2
1
3
2
6
1
3
2
6
3757
3762
SCART 1
SCART 2
1
3
2
6
1
3
2
6
1682
2
12191219
1
22
20
21
KEY_PROTN 9
IR 32
LED 30
LIGHT-SENSOR 14
A1
POWER_DOWN 31
36043605
see
IIC
DIAGRAM
HERCULES (CONTROL)
A4
FEATURES
A5
K5
CONNECTIVITIES
A5
+3.3V
7
8
6
5
A7
VOL_MUTE
18
15
A1
A7
A3
Stdby_Con
B2
ROT
17
SEL_LLPIM
16
118
119
+3.3V
+3.3V
7200-G (Control)
TDA12001H1
EEPROM
(NVM)
I/O PORTS
+
IIC BUS
TRANSCEIVER
+
PWM
OUTPUTS
+
CPU
+
TELETEXT
(close caption)
+
ROM
RAM
32043202
3207
3214
see
IIC
DIAGRAM
(FOR LTI)
ERR
9
ERR
20
SDA
WRITE_PROTECT
SCL
2
1
32803279
3266
3265
E
D
7205
1205
24MHz
G
A5
I2SD/1
23
A5
Reset__5V
24
A5
SEL_SC2_INTF
25
9275
9252
SDM
SERVICE JUMPER
INTF_L_IN
3
IBO-ZAPPER PANEL
R1
L1
1763
1764
1410
to 2-1683
to 3-1581
1
1
2
3
12V
DC
MUTING
CIRCUIT
MUTING
POWER_DOWN
7410
A5
Stby_Con
A4
MUTE
POWER_DOWN
A4
MUTING
7993, 7994
1
3
F003 0V (N.A.)
200mV / div AC
10ms / div
1V / div DC
20µs / div
1V / div DC
20µs / div
F004
I001 I002
50mV / div AC
2ms / div
2V / div DC
2ms / div
50mV / div AC
2ms / div
500mV / div AC
2ms / div
500mV / div AC
2ms / div
I952I951 F952 F955
F692